13-能量衡算计算书

华能德州电厂330MW火电厂机组深度脱硫项目 能量衡算计算书目录一、概述1二、能量衡算目的1三、能量衡算方法1四、系统能量衡算24.1 烟气脱硝工段24.2 烟气脱硫工段34.3 硫铵处理工段54.4 烟气脱碳工段6II一、概述本项目拟建一套为330MW火电厂烟气实现深度脱硫的装置，同时副产硫酸铵和二氧化碳产品。在全工艺段中伴随着物料从一个体系或单元进入另一个体系或单元，在发生质量传递的同时也伴随着能量的消耗、释放和转化。对于新设计的车间，可以由此确定设备的热负荷。再根据设备的热负荷大小、所处理物料的性质及工艺要求选择恰当的设备。通过下述能量衡算，可以为后续设计工作中提高热量的利用率，降低能耗提供主要依据。二、能量衡算目的（1）确定流程中机械所需的功率，为设备设计和选型提供依据。（2）确定各单元操作中所需的热量或冷量及传递速率，确定加热蒸汽和冷却剂的用量，为后续换热和公用工程的设计做准备。（3）确定反应过程中的热交换量，指导反应器的设计和选型。（4）最终计算出所需的能量和费用，判定工艺过程的经济性。三、能量衡算方法根据能量守恒：输入系统的能量 = 输出系统的能量 + 系统积累的能量本装置主要是反应器，精馏塔，换热器就，泵，输入整个生产系统的能量主要有电能、加热蒸汽带入的能量和进入物料的焓， 输出的能量有冷却剂带走的能量和输出物料的焓。Q + W = Hout Hin式中：Q设备的热负荷。W输入系统的机械能。Hout离开设备的各物料焓之和。Hin进入设备的各物料焓之和。四、系统能量衡算4.1 烟气脱硝工段图4-1 烟气脱硝工段流程图表4-1压缩机C0101能量衡算表inout物流编号01070108Temperature C2029.6Pressure bar1.0131.1Vapor Frac11Total Flow kmol/hr378.703378.703Total Flow kg/hr10940.81910940.819Enthalpy Gcal/hr-0.0140.012Hin(Gcal/hr)-0.014Hout(Gcal/hr)0.012Q(Gcal/hr)0.026表4-2 脱硝反应器R0101能量衡算表inout物流编号01100111Temperature C346370Pressure bar1.0020.997Vapor Frac11Total Flow kmol/hr15856.36515859.094Total Flow kg/hr453770.756453773.772Enthalpy Gcal/hr-255.23-253.153Hin(Gcal/hr)-255.23Hout(Gcal/hr)-253.153Q(Gcal/hr)2.0774.2 烟气脱硫工段图4-2烟气脱硫工段流程图表4-3 预洗涤塔T0201能量衡算表inout物流编号0202023402040205Temperature C902059.258.8Pressure bar1.21.21.21.2Vapor Frac1001Total Flow kmol/hr15859.0941478.0511218.52916118.547Total Flow kg/hr453773.77226627.521959.329458441.943Enthalpy Gcal/hr-287.367-101.1-82.497-305.97Hin(Gcal/hr)-388.467Hout（Gcal/hr)-388.467Q(Gcal/hr)0inout物流编号020502100221022802060213Temperature C58.859.4665059.559.4Pressure bar1.21.1971.21.21.1971.2Vapor Frac100110Total Flow kmol/hr16118.52148.68670.89168.98316301.832785.376Total Flow kg/hr45844240188.412602.7044591.449462374.953449.583Enthalpy Gcal/hr-305.97-146.462-44.873-1.014-307.52-190.799Hin(Gcal/hr)-498.319Hout（Gcal/hr)-498.319Q(Gcal/hr)0表4-4 脱硫塔吸收段T0202A能量衡算表表4-5 脱硫塔水洗段T0202D能量衡算表inout物流编号0208023302090212Temperature C59.22058.559.1Pressure bar1.1921.21.191.192Vapor Frac1010Total Flow kmol/hr16320.7041478.05116228.9441568.741Total Flow kg/hr462039.46526627.5460336.91628330.049Enthalpy Gcal/hr-308.318-101.1-303.186-106.232Hin(Gcal/hr)-409.418Hout（Gcal/hr)-409.418Q(Gcal/hr)0表4-6 氧化反应器R0201能量衡算表inout物流编号022602300227Temperature C5040.150Pressure bar1.21.21.2Vapor Frac010.058Total Flow kmol/hr2785.332163.1282932.447Total Flow kg/hr52380.3214712.79457092.745Enthalpy Gcal/hr-188.7870.017-190.676Hin(Gcal/hr)-188.77Hout（Gcal/hr)-190.676Q(Gcal/hr)-1.906表4-7 压缩机C0201能量衡算表inout物流编号01140201Temperature C126153.8Pressure bar0.9971.2Vapor Frac11Total Flow kmol/hr15859.09415859.094Total Flow kg/hr453773.772453773.772Enthalpy MW-283.091-279.781Hin(MW)-283.091Hout(MW)-279.781Q(MW)3.310表4-8 压缩机C0202能量衡算表inout物流编号02290230Temperature C2040.1Pressure bar1.0131.2Vapor Frac11Total Flow kmol/hr163.128163.128Total Flow kg/hr4712.7944712.794Enthalpy MW-0.0060.017Hin(MW)-0.006Hout(MW)0.017Q(MW)0.0234.3 硫铵处理工段图4-3硫铵处理工段流程图表4-9 结晶器X0301能量衡算表inout物流编号031403180315Temperature C70.17070Pressure bar1.20.2470.247Vapor Frac010Total Flow kmol/hr374.303121213.433Total Flow kg/hr9345.9222192.5397174.654Enthalpy Gcal/hr-27.777-6.936-19.679Hin(Gcal/hr)-27.777Hout（Gcal/hr)-26.615Q(Gcal/hr)1.162表4-10 水力旋流器X0302能量衡算表inout物流编号031603170319Temperature C70.370.370.3Pressure bar444Vapor Frac000Total Flow kmol/hr374.3032.537213.433Total Flow kg/hr7174.65485.2867089.368Enthalpy Gcal/hr-19.678-0.234-19.444Hin(Gcal/hr)-19.678Hout（Gcal/hr)-19.678Q(Gcal/hr)0inout物流编号 031903200321Temperature C70.370.370.3Pressure bar444Vapor Frac000Total Flow kmol/hr210.89614.941195.955Total Flow kg/hr7089.3682145.6264943.743Enthalpy Gcal/hr-19.444-4.859-14.585Hin(Gcal/hr)-19.444Hout（Gcal/hr)-19.444Q(Gcal/hr)0表4-11 离心机X0303能量衡算表4.4 烟气脱碳工段图4-4 烟气脱碳工段流程简图表4-12 脱碳吸收塔T0401能量衡算表inout物流编号0438040404060407Temperature C151543.817.6Pressure bar1.21.51.21.202Vapor Frac0110Total Flow kmol/hr29029.86413845.71114940.18727308.792Total Flow kg/hr521646.571417384.507420096.029518935.049Enthalpy Gcal/hr-1901.895-170.438-170.746-1901.587Hin(Gcal/hr)-2072.333Hout（Gcal/hr)-2072.333Q(Gcal/hr)0表4-13 脱碳解吸塔T0402能量衡算表inout物流编号0409041104100413Temperature 1Pressure bar30303030.2Vapor Frac0010Total Flow kmol/hr27308.7923797.747743.76430973.526Total Flow kg/hr518935.04970321.41531048.939558207.525Enthalpy Gcal/hr-1842.511-261.995-66.772-1981.844Hin(Gcal/hr)-2104.506Hout（Gcal/hr)-2048.616Q(Gcal/hr)55.890表4-14 水洗氨塔T0403能量衡算表inout物流编号0415041604170419Temperature C20202021.2Pressure bar1.21.21.11.101Vapor Frac0.945010Total Flow kmol/hr14940.18788079.91313340.05889680.043Total Flow kg/hr420096.0291586780391915.0491614970Enthalpy Gcal/hr-181.891-6024.756-118.056-6088.591Hin(Gcal/hr)-6206.647Hout（Gcal/hr)-6206.647Q(Gcal/hr)0表4-15 蒸氨塔T0404能量衡算表inout物流编号0420042204210424Temperature C8083.69